In a medium saucepan, bring water and rinsed quinoa to a boil. Cover and turn down to simmer for 12 minutes until all the water is absorbed. Transfer cooked quinoa to a large bowl.
Drizzle quinoa with extra virgin olive oil and season with sea salt andfresh cracked pepper. Add arugula,olives, and feta cheese and gently toss ingredients together. Serve warm or chilled.