You have to understand the neutralization process to be able to decide what you have to do.
Consider the chemical reaction given by the equation: mA(OH)n + nHmB --> AmBn + nmH2O.
Here, m atoms of a base A(OH)n react with n atoms of an acid HmB. Now, for each acid and base the values of n and m are determined by the valence of the B and A respectively.
From the equation it is seen that m moles of base A(OH)n neutralize n moles of the acid HmB.
Once you know how many moles of the acid and the base are required for the neutralization reaction, you can use that to determine the volume of the solutions of the base and the acid when their concentration is given.