Which of the following equations represents the acid-base neutralization reaction between HI and Ca(OH)$_2$?
Note that coefficients for balancing the final equation are not included.
HI + Ca(OH)$_2$ → CaI + H(OH)$_2$
HI + Ca(OH)$_2$ → CaI$_2$ + H$_2$O
HI + Ca(OH)$_2$ → CaI$_2$ + H(OH)$_2$
HI + Ca(OH)$_2$ → CaI + H$_2$O
HI + Ca(OH)$_2$ → CaI$_2$ + H$_2$O