Because can is not the same thing as will. If something can happen, then there is only a chance. Certainty could be anywhere from 0.01% to 99.9%. If something

Because can is not the same thing as will. If something can happen, then there is only a chance. Certainty could be anywhere from 0.01% to 99.9%. If something will happen, then it is implied that it will occur with 100% certainty (provided all criteria are met). Difference in title aside, the phrases do not mean the same thing.