CuO+2H+==Cu2++H2O
HCO3-+H+==H2O+CO2↑
Cu(OH)2+2H+==Cu2++2H2O
2Al+3Cu2+==2Al3++3Cu
CO32-+2H+==H2O+CO2↑
Cu2++SO42-+Ba2++2OH-==Cu(OH)2↓+BaSO4↓
Fe3++3OH-==Fe(OH)3↓
Zn+Cu2+==Zn2++Cu
CuO+2H+==Cu2++H2O
HCO3-+H+==H2O+CO2↑
Cu(OH)2+2H+==Cu2++2H2O
2Al+3Cu2+==2Al3++3Cu
CO32-+2H+==H2O+CO2↑
Cu2++SO42-+Ba2++2OH-==Cu(OH)2↓+BaSO4↓
Fe3++3OH-==Fe(OH)3↓
Zn+Cu2+==Zn2++Cu