Can i get pregnant on the first and second day of ovulation. what are my chances?

Medium high: Having sex on or near one's estimated ovulation date is a fairly good way to get pregnant. That's how people usually get pregnant. If the next normal, regular period does not come (is a week late), then one can do a urine pregnancy test at that time to see if there is a baby on the way (be sure to be married, settled down, and with stable jobs providing health insurance).