what happens when k2o reacts with water ? give a balance equation ?

Dear Student,

Potassium oxide i.e. K₂O reacts with water to give potassium hydroxide i.e. KOH. The reaction is shown below :

${\mathrm{K}}_2\mathrm{O} +\hspace{0.17em}{\mathrm{H}}_2\mathrm{O} \to 2\mathrm{KOH}$