KOH + F2 ->KF+F2O+H2O

which option shows a correctly balanced chemical equation

3KOH + F2->3KF+2F2O+H20
3KPH+3F2->KF+F2O+2H2O
2KOH+2F2->KF+F2O+H2O

3KOH + F2 -> 3KF + 2F2O + H2O option shows a correctly balanced chemical equation.