Cu(OH)2+ 2HCl
-->CuCL2+2H2O
Cu²⁺+2OH⁻+2H⁺+2CL⁻-->Cu²⁺+2CL⁻+2H2O
2OH⁻+2H⁺-->2H2O
K2CO3+2HNO3
-->2KNO3+H2O+CO2
2K⁺+CO²⁻₃+2H⁺+2NO²⁻₃-->2K⁺+2NO²⁻₃+H2O+CO2↑
CO²⁻₃+2H⁺-->H2O+CO2↑
Mn(OH)2+H2SO4
-->MnSO4+2H2O
Mn²⁺+2OH⁺-->2H⁺+SO²⁻₄-->Mn²⁺+SO ²⁻₄+ 2H2O
2OH⁻+2H⁺-->2H2O
2LiOH+H2SO4-->Li2SO4+2H2O
2Li⁺+2OH⁻-->2H⁺+SO²⁻₄-->2Li⁺+SO²⁻₄+2H2O
2OH⁻+2H⁺-->2H2O