No. The tiles would only stick to the paper so when the paper came up, so would the tile. You need to start with a clean hard surface.
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Scrape and use a hot air gun do not use a naked flame.
Try to peel it off after it drys. If you are lucky it will only take the paint off with it. If it is stuck to the paper, you will have to repair the drywall.
It's important to apply a concrete sealer before adding the tiles. If you don't, the alkali's in the concrete will eventually break down the adhesive resulting in the tiles peeling off. Absolutely Correct!! To elaborate on the "alkali's in the concrete" understand the following: Portland Cement is a very alkali rich material. Not all the chemicals in concrete completely hydrate as it cures and this high alkaline condition exist and continues for years. You've heard about "Alkali Burn" causing paints to peel or blister?? This is why! The chemicals in a concrete interior are allowed to migrate out to a surface and contaminates can enter an interior through the Gel-Pore / Capillary system found in all concretes. A sealer is applied to prevent this!! Choose a sealer that comes with a warranty for waterproofing [15 years] and one that is compatible with you tile manufacturers list of approved adhesives. Otherwise you may void any warranty on the tiles and or adhesive. Do not use a sealer that allows for a subsequent [Second] application!! Ask yourself what happened to the first coat?? Avoid a sealer that cautions " Do Not allow sealer to come in contact with metals or glass" !! They don't work!!
Rub it with some Goof Off on a rough rag for 2-3 minutes. By then it's soft enough to slide a craft knife under an edge and peel it off.