I'd like to welcome you,
rahul gupta:, to the Chemical Forums but I'd like to ask you to read the
Forum Rules{click}. We like to help you learn to help yourself. Can you begin to show us your attempt?
Can you draw out this word equation of yous as chemical formulas? This is a pretty basic high school level task. There are a number of ways to determine if a reaction will proceed, some are too difficult for a new student. But have you tried investigating a table of electronegativites? You can use that as a justification.