VRd,c = 0.12 x (1 + (0.6/0.2)) x 0.2 x 1 x 25 = 12.5 kN

The column is stable.

Using EC2, the design axial load is calculated as:

VEd = 1.35 x (2 x 4 / 2) + 1.5 x (1.5 x 4 / 2) = 18.5 kN

Using EC2, the design bending moment is calculated as:

As = 0.0013 x 0.2 x 1 x 500 = 130 mm^2