No it will not. A 2012 MacBook Air cannot device a 5K display.
Answered by Braden N from Halifax
Prices are inclusive of VAT (5%) but exclusive of delivery charges unless otherwise indicated. The order form shows you the VAT payable on the products you select.
*Important: Free delivery on orders over AED 200. Installment financing is provided directly by participating banks only. After you make your purchase on the Apple Online Store or within an Apple Retail Store contact your bank to see what options may be available to you. Bank Terms and Conditions apply.