How many grams of NaOH will react completley with 100 mL of 1 m of HCL?
NaOH + HCl ==> NaCl + H2O
Is that 1 m or 1 M? I will assume you intended it to b e 1 M.
moles HCl = M x L, then, follow the steps in this solved example.
http://www.jiskha.com/science/chemistry/stoichiometry.html