Cold Italian Beans Salad

1.2 cup black beans
1.2 cup pinto beans
1.2 cup black eyed peas (drained)
1 cab Shoe peg corn
cilantro (to taste)
avacado (to taste)
tomato ( to taste)
onion (to taste)
1/4 cup olive oil
1/4 cup vinegar
1 pkt. of italian dressing