CuO+H2SO4=CuSO4+H2O
Ca(OH)2+2HCl=H2O+CaCl2
Na2O+2HCl=H2O+2NaCl
Ba(NO3)2+ZnSO4=Zn(NO3)2+BaSO4
AgNO3+NaCl=AgCl+NaNO3
CuO+H2SO4=CuSO4+H2O
Ca(OH)2+2HCl=H2O+CaCl2
Na2O+2HCl=H2O+2NaCl
Ba(NO3)2+ZnSO4=Zn(NO3)2+BaSO4
AgNO3+NaCl=AgCl+NaNO3