Oxides and hydroxides All the alkali metals ,their oxides, peroxide and superoxide readily dissolve in water to produce corresponding hydroxides which are strong alkalies. 2 Na + 2 H2O -------------> 2 NaOH + H2 Na2O + H2O -------------> 2 NaOH Na2O2 + 2 H2O -------------> 2 NaOH + H2O2 2KO2 + 2 H2O -------------> 2 KOH + H2O2 + O2 Peroxides and … [Read more...] about Characteristics of Compounds of Alkali Metal