It is capitalized at the beginning of the sentence or when it forms part of the proper noun.
Example:
Catholic Sacraments
Yes, the word "Christening" should be capitalized when referring to the Christian sacrament of baptism.
Yes, "Baptism" should be capitalized when referring to the religious sacrament.
When talking about Holy Communion, then yes. If you are talking about a communion as a group, then no.
Yes, the Sacrament of Holy Communion should be capitalized as it is a proper noun referring to a specific religious ritual in Christianity.
Yes except if the word of is there because that is not capitalized.
Yes, the word "Christening" should be capitalized when referring to the Christian sacrament of baptism.
Yes, "Baptism" should be capitalized when referring to the religious sacrament.
Only when referring to the religious sacrament or rite: "Sacrament of Holy Baptism". In referring to the event (e.g. "my child's baptism), it is not.
Answer from a CatholicI do not normally capitalize it unless I am speaking of the Sacrament, referring to the Blessed Eucharist.
When talking about Holy Communion, then yes. If you are talking about a communion as a group, then no.
Yes, the Sacrament of Holy Communion should be capitalized as it is a proper noun referring to a specific religious ritual in Christianity.
The word Chinese is a proper noun and is capitalized.
Yes except if the word of is there because that is not capitalized.
No, the word forecast should not be capitalized in a sentence.
The word 'will' should be capitalized only when it is a person's name or the first word in a sentence. As a verb or common noun, it should not be capitalized.
Yes, "Boys" is capitalized when it is the first word in a sentence or as part of a proper noun.
No it shouldn't be capitalized.