Ca=Ca(OH)2=?=Ca(OH)2

Question

Ca=Ca(OH)2=?=Ca(OH)2

Answer 1

Ca + 2H₂O = Ca(OH)₂ + H₂

Ca(OH)₂ + H₂SO₄ = CaSO₄ + 2H₂O

CaSO₄ + Ba(OH)₂ = Ca(OH)₂ + BaSO₄