The balanced chemical equation for the reaction involving calcium chloride (CaCl2), calcium hydroxide (Ca(OH)2), calcium carbonate (CaCO3), and calcium sulfate (CaSO4) is:

CaCl2 + Ca(OH)2 + CaCO3 + CaSO4 → CaCl2 + Ca(OH)2 + CaCO3 + CaSO4

This reaction represents a precipitation reaction in which the calcium ions react with the anions to form insoluble calcium salts.