How many mL of a {M2} M NaOH solution would it take to titra…

Hоw mаny mL оf а {M2} M NаOH sоlution would it take to titrate a {v1} mL sample of a {M1} M HI solution according to the following balance chemical equation? HI (aq) + NaOH (aq) → NaI (aq) + H2O (l)