The chemical equation CaSO4 + Ca(OH)2 -> 2Ca(OH)2 + H2SO4

  1. The chemical equation above demonstrates the reaction process between calcium sulfate (CaSO4) and calcium hydroxide (Ca(OH)2) to produce calcium hydroxide (Ca(OH)2) and sulfuric acid (H2SO4).

  2. Reaction conditions: To make the reaction occur, the necessary temperature and pressure are required. Generally, this reaction can take place at room temperature.

  3. Reaction process: When calcium sulfate (CaSO4) and calcium hydroxide (Ca(OH)2) come into contact with each other, they will interact and decompose into calcium hydroxide (Ca(OH)2) and sulfuric acid (H2SO4).

  4. Phenomena occurring: When the reaction occurs, there might be a heat-emitting phenomenon due to the synthesis process of sulfuric acid.

Note: The above chemical equation is not balanced correctly. The equation after balancing will be:
CaSO4 + 2Ca(OH)2 -> 3Ca(OH)2 + H2SO4

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