Question

what do you mean by Cu + H2O + CO2 + O2 = CuCo3 + Cu(OH)2 ???

Answer 1

CuCO3 Cu(OH)2(s) = 2 CuO(s) + H2O(l) + CO2(g)

Answer 2

2 CuO(s) + H2O(l) + CO2(g)