Corn, black beans and avocado salad

2 cups canned black beans, rinsed and drained
1/2 cup corn kernels canned or frozen
2 avocados, peeled, pitted and diced
1/2 cup purple onion, chopped
1 sweet red bell pepper, finely chopped
1/2 cup fresh cilantro, chopped
1 1/2 tsp sea salt
1 tsp fresh ground black pepper
2 limes, juiced
1/2 tsp ground cumin
1/2 tsp tumeric
1/2 cup extra virgin olive oil