You could say either. "I wish I would win a million dollars." or "I hope I win a million dollars." Wish: feel or express a strong desire or hope for something that is not easily attainable; want something that cannot or probably will not happen. synonyms: desire, want, hope for, covet, dream of, long for, yearn for, crave, hunger for, lust after;

Many thanks once again! ;)

You're words were exactly what I hoped to hear. That's exactly what I was hoping to hear.