4Li + O2 ⟶ 2Li2O
Li2O + H2O ⟶ 2LiOH
LiOH + HCl ⟶ LiCl + H2O
2Li + 2H2O ⟶ 2LiOH + H2↑
Li2O + 2HCl ⟶ 2LiCl + H2O