- HCl+OH−→H2O+Cl−HCl + OH ^{-} \rightarrow H _{2} O + Cl ^{-}
- 2H++Mg(OH)2→Mg2++2H2O2 H ^{+}+ Mg ( OH )_{2} \rightarrow Mg ^{2+}+2 H _{2} O
- H++OH−→H2OH ^{+}+ OH ^{-} \rightarrow H _{2} O
- 2HCl+Mg(OH)2→Mg2++2Cl−+2H2O2 HCl + Mg ( OH )_{2} \rightarrow Mg ^{2+}+2 Cl ^{-}+2 H _{2} O