You can't without mods.
Left click the mouse while holding the mushrooms.
Left click here you want it to go while holding the door.
In order for a powered rail to work, you need a redstone torch placed right next to it. This torch will power 16 rails in each direction. Keep this in mind while placing them.
the same way you do on pc... hold right click while holding the food in your hand.
You place a block by right clicking on a spot while holding the block you want to place.
Right click while holding a block.
Right-click while holding snowballs.
Left click the mouse while holding the mushrooms.
Left click here you want it to go while holding the door.
In order for a powered rail to work, you need a redstone torch placed right next to it. This torch will power 16 rails in each direction. Keep this in mind while placing them.
While holding the food item in your hot-bar/hand hold right click.
You place a block by right clicking on a spot while holding the block you want to place.
the same way you do on pc... hold right click while holding the food in your hand.
Just put the bone on the action bar, and while holding it in your hand, right click the wolf.
The only thing you can put in a cauldron is water. You do this by right-clicking on it while holding a water bottle.
While holding a fishing rod, right click to cast the line and right click again when the bobber dips.
While holding it in your hand, right click on the ground.