What are the products of the following reaction? $H_2SO_4+NaOH$

Question

$\begin{array}{1 1} (a)\;H_2O\;and\;Na_2SO_4 \\ (b)\;2H_2O\;and\;NaOH \\ (c)\;H_2O \;only \\ (d)\;H_2O \;and\;H_2SO_4 \end{array} $