\(n_{HCl}=0.2\cdot1.5=0.3\left(mol\right)\)
\(n_{KOH}=0.15\cdot2=0.3\left(mol\right)\)
\(KOH+HCl\rightarrow KCl+H_2O\)
\(0.3..........0.3..........0.3\)
\(m_{KCl}=0.3\cdot74.5=22.35\left(g\right)\)
\(C_{M_{KCl}}=\dfrac{0.3}{0.2+0.15}=0.85\left(M\right)\)